Regex Tester — Test Regular Expressions

About this tool

Test and debug JavaScript regular expressions with match highlighting and capture group details. Preview how a pattern matches your input text.

Features:

• Interactive testing — test regular expressions as you edit
• Quick templates — sample patterns for emails, phones, URLs and dates
• Match highlighting — highlight matched text
• Regex flags — configure case sensitivity, global matching and other options
• Match statistics — count matching results

Use cases:

Explore form validation patterns, parse logs and extract text. Pattern syntax and behavior follow the JavaScript regular expression engine.